html,
body {
  width: 100%;
  height: 100%;
  overflow: auto;
  font-size: 16px;
}
* {
  margin: 0;
  padding: 0;
}
.nav {
  position: relative;
  height: 2.4rem;
  background-color: #000;
  width: 100%;
}
.nav img {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: #fff;
}
.nav h2 {
  font-size: 1rem;
  line-height: 2.2rem;
  text-align: center;
  color: #fff;
  padding-left: 4rem;
}
.keyword {
  background-color: #c0f5ff;
}
.keyword .ld {
  padding: 0 1rem;
  text-align: justify;
  height: 2.5rem;
  line-height: 2.8rem;
  overflow: hidden;
}
.keyword .ld i {
  display: inline-block;
  padding-left: 100%;
  height: 0px;
}
.keyword .ld2 {
  height: 2.7rem;
}
.keyword p {
  width: 100%;
  display: inline-block;
  box-sizing: border-box;
  padding: 0.5rem 1rem;
  height: 2.7rem;
  line-height: 1.8rem;
}
.keyword p span {
  letter-spacing: 0.25rem;
}
.keyword p a:last-child {
  float: right;
  text-align: right;
}
.keyword p:nth-of-type(2n) {
  background-color: #a2edff;
}
.keyword p:after {
  content: "";
  display: block;
  clear: both;
}
.body {
  position: relative;
  background-color: #f4f4f4;
}
.body .item {
  height: 5rem;
  overflow: hidden;
  border-bottom: 2px solid #fff;
}
.body .item .box {
  width: 50%;
  position: relative;
  float: left;
  box-sizing: border-box;
  padding: 0.2rem;
}
.body .item .box h3 {
  font-size: 1rem;
  margin-top: 1rem;
  margin-left: 5rem;
  text-align: center;
}
.body .item .box img {
  position: absolute;
  width: 4.6rem;
  height: 4.6rem;
  border-radius: 0.5rem;
}
.body .item:nth-of-type(2n+1) {
  background-color: #fff;
}
.footer p {
  padding: 0.6rem 0.8rem;
  background-color: #c0f5ff;
  letter-spacing: 0.25rem;
}
.footer p a:last-child {
  float: right;
}
.footer p:nth-of-type(2n+1) {
  background-color: #a2edff;
}
.footer .foot {
  background-color: #000;
  padding: 1rem;
  color: #fff;
  text-align: center;
}
